Home / 1,353,905.84-2,030,858.76-689,524.40

Finding the Fourth Proportional to 1,353,905.84, 2,030,858.76 and 689,524.40

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Solution

The fourth proportional to 1,353,905.84, 2,030,858.76 and 689,524.40 is: 1,034,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,905.84 : 2,030,858.76 = 689,524.40 : x
  2. Step 2: Convert to fraction form
    1,353,905.84/2,030,858.76 = 689,524.40/x
  3. Step 3: Cross multiply
    1,353,905.84x = 2,030,858.76 × 689,524.40
  4. Step 4: Simplify right side
    1,353,905.84x = 1,400,326,667,973.74
  5. Step 5: Solve for x
    x = 1,400,326,667,973.74/1,353,905.84
  6. Step 6: Final answer
    x = 1,034,286.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.